DNS Gurus
Cached · just now
95/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 2
Let's Encrypt logo Let's Encrypt PayPal logo PayPal

Certificate Information

Subject
CN=support.doctrix.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
February 15, 2026
Valid Until
May 16, 2026 84 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
B6:C3:7E:AD:B0:66:21:C1:76:AB:5D:9F:62:E6:0C:DF:21:80:24:A0:F5:8A:CD:F3:97:9B:B1:A0:35:C4:A3:A4
Alternative Names
43 domains

Security Configuration

TLS Protocols
TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)

HTTP Security Headers

Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
PayPal logo
Basic
script-src Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Present
accelerometer=(), autoplay=(), camera=(); +14 more
Recommendations
  • • Consider adding 'preload' to HSTS for maximum security
  • • Improve CSP by adding more specific directives and removing 'unsafe-inline'

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
amazon.com digicert.com letsencrypt.org sectigo.com
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • You have authorized 4 CAs - consider limiting to only the CAs you actively use
  • • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
  • • Consider adding 'issuewild' records to control wildcard certificate issuance